For the masala paste:Grind onion ,red chillies, garlic pods and salt together and keep it aside.

For the potato masala: Heat oil in a kadai and put cinnamon sticks, fennel seeds,onion,green chillies and sauté it. Then put turmeric powder and salt. after some time put the potato and toss it.

Heat tava and pour a ladle of dosa batter and make dosa thinly. After the dosa is cooked then apply the masala paste all over the dosa then put the potato masala.No need to turn over the dosa as it is thinly made.Serve hot with chutney and sambar.